John DM, Huxley R, Williamson DB (2011) William and George West: a review of their publications, collections and freshwater algae described from the British Isles. , John DM, Whitton BA, Brook AJ, The Freshwater Algal Flora of the British Isles An Identification Guide to Freshwater and Terrestrial Algae.. Cambridge University Press.

JOHN DM, HUXLEY R, Williamson DB (2011) William and George West: a review of their publications, collections and freshwater algae described from the British Isles; with an accompanying DVD prepared by Alan Donaldson and Brian A. Whitton containing articles and a photo catalogue of algal images and habitats compiled by Peter V. York and David M. John. Section 4 on DVD. 54pp,. , JOHN DM, Whitton BA, Brook AJ, The Freshwater Algal Flora of the British Isles: An Identification Guide to Freshwater and Terrestrial Algae. 2nd edn.. Cambridge University Press. Cambridge.